property owners , and the primary contractor , zach ##ry construction . an essential consideration was to complete the project with as little disruption to the traffic flow as possible . reasons for upgrading the interchange , in addition to the need to increase traffic flow and reduce congestion , were to improve air quality , safety , and local access . zach ##ry construction corporation submitted the lowest bid and was awarded the $ 261 million contract by tx ##dot , the largest ever by that agency . the construction contract for the high five interchange was unique in that it contained elements not found in other construction project contracts . for example , it specified the concrete maturity method to be used to ensure the concrete
property owners, and the primary contractor, zachry construction. an essential consideration was to complete the project with as little disruption to the traffic flow as possible. reasons for upgrading the interchange, in addition to the need to increase traffic flow and reduce congestion, were to improve air quality, safety, and local access. zachry construction corporation submitted the lowest bid and was awarded the $ 261 million contract by txdot, the largest ever by that agency. the construction contract for the high five interchange was unique in that it contained elements not found in other construction project contracts. for example, it specified the concrete maturity method to be used to ensure the concrete